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From: security at caldera.com (security@...dera.com)
Subject: Security Update: [CSSA-2002-036.0] Linux: remote buffer overflow in webalizer reverse lookup code

To: bugtraq@...urityfocus.com announce@...ts.caldera.com security-alerts@...uxsecurity.com full-disclosure@...ts.netsys.com


______________________________________________________________________________

			SCO Security Advisory

Subject:		Linux: remote buffer overflow in webalizer reverse lookup code
Advisory number: 	CSSA-2002-036.0
Issue date: 		2002 October 22
Cross reference:
______________________________________________________________________________


1. Problem Description

	The webalizer program will perform reverse DNS lookups. Using
	a buffer overflow in this reverse lookup code, an attacker with
	a rogue DNS server can gain root access to the machine running
	webalizer.


2. Vulnerable Supported Versions

	System				Package
	----------------------------------------------------------------------

	OpenLinux 3.1.1 Server		prior to webalizer-2.01_09-2.i386.rpm

	OpenLinux 3.1 Server		prior to webalizer-2.01_09-2.i386.rpm


3. Solution

	The proper solution is to install the latest packages. Many
	customers find it easier to use the Caldera System Updater, called
	cupdate (or kcupdate under the KDE environment), to update these
	packages rather than downloading and installing them by hand.


4. OpenLinux 3.1.1 Server

	4.1 Package Location

	ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/CSSA-2002-036.0/RPMS

	4.2 Packages

	db8c5037801e807a6138f2fd5e3cf284	webalizer-2.01_09-2.i386.rpm

	4.3 Installation

	rpm -Fvh webalizer-2.01_09-2.i386.rpm

	4.4 Source Package Location

	ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/CSSA-2002-036.0/SRPMS

	4.5 Source Packages

	03e6b22634832fd3cd1752318f1d83d4	webalizer-2.01_09-2.src.rpm


5. OpenLinux 3.1 Server

	5.1 Package Location

	ftp://ftp.sco.com/pub/updates/OpenLinux/3.1/Server/CSSA-2002-036.0/RPMS

	5.2 Packages

	258245a154ba0b220b56cde31b2e3c7d	webalizer-2.01_09-2.i386.rpm

	5.3 Installation

	rpm -Fvh webalizer-2.01_09-2.i386.rpm

	5.4 Source Package Location

	ftp://ftp.sco.com/pub/updates/OpenLinux/3.1/Server/CSSA-2002-036.0/SRPMS

	5.5 Source Packages

	fef58e3e929062180bf1bc6ad885925e	webalizer-2.01_09-2.src.rpm


6. References

	Specific references for this advisory:
		http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0180

	SCO security resources:
		http://www.sco.com/support/security/index.html

	This security fix closes SCO incidents sr863733, fz520840,
	erg712035.


7. Disclaimer

	SCO is not responsible for the misuse of any of the information
	we provide on this website and/or through our security
	advisories. Our advisories are a service to our customers intended
	to promote secure installation and use of SCO products.


8. Acknowledgements

	Spybreak (spybreak@...t.sk) discovered and researched this
	vulnerability.

______________________________________________________________________________
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